Between the two hills there _________ a deep river.

 In the office I never seem to have time until after 5:30 pm, _____ many people have gone home.

No one in the factory but the brothers _____ that our factory will be closed because of the financial problem.

Our English teacher,as well as all the students, 　　　 we can only improve our reading by reading widely.

There ____ a table, four chairs, three bikes in the courtyard, in the  middle of which ____ two tall trees with great shade.